Lanyar Dog Classic Cable Pet Sweater Hoodie for Dogs,Size Runs Smaller, Small fits Pets 3-8Lbs Medium 10-16Lbs, Large 18-25Lbs, XLarge 30-40Lbs,XXLarge 40-55Lbs,XXXLarge 55-70Lbs Outer material: soft dog sweater made of 100% acrylic Inner material: comfortable cotton lined Classic small dog sweater cold winter clothes warm and cozy for your dogs Machine wash in cold water Line dry S Size: back length 10", neck girth 10-12", chest girth 14- 16"